File:  [LON-CAPA] / loncom / homework / radiobuttonresponse.pm
Revision 1.27: download - view: text, annotated - select for diffs
Wed Nov 7 22:28:44 2001 UTC (22 years, 4 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- edit mode works on rbresponse

# The LearningOnline Network with CAPA
# mutliple choice style responses
# 2/21 Guy

package Apache::radiobuttonresponse;
use strict;

sub BEGIN {
  &Apache::lonxml::register('Apache::radiobuttonresponse',('radiobuttonresponse'));
}

sub start_radiobuttonresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  #when in a radiobutton response use these
  &Apache::lonxml::register('Apache::radiobuttonresponse',('foilgroup','foil','conceptgroup'));
  push (@Apache::lonxml::namespace,'radiobuttonresponse');
  my $id = &Apache::response::start_response($parstack,$safeeval);
  if ($target eq 'meta') {
    $result=&Apache::response::meta_package_write('radiobuttonresponse');
  } elsif ($target eq 'edit' ) {
    $result.=&Apache::edit::start_table($token).
      '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
	&Apache::edit::deletelist($target,$token)
	  ."</td><td>&nbsp</td></tr><tr><td colspan=\"3\">\n";
    $result.=&Apache::edit::text_arg('Max Number Of Foils:','max',$token,'4').
      "</td></tr>";
    $result.="<tr><td colspan=\"3\">\n";
  } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
						 $safeeval,'max');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  }
  return $result;
}

sub end_radiobuttonresponse {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result;
  if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
  &Apache::response::end_response;
  pop @Apache::lonxml::namespace;
  return $result;
}

%Apache::response::foilgroup={};
sub start_foilgroup {
  %Apache::response::foilgroup={};
  $Apache::radiobuttonresponse::conceptgroup=0;
  &Apache::response::setrandomnumber();
  return '';
}

sub storesurvey {
  if ( defined $ENV{'form.submitted'}) {
    my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
    &Apache::lonxml::debug("Here I am!:$response:");
    if ( $response =~ /[^\s]/) {
      my $id = $Apache::inputtags::response['-1'];
      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='SUBMITTED';
      &Apache::lonxml::debug("submitted a $response<br />\n");
    }
  }
  return '';
}

sub end_foilgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  
  my $result;
  if ($target eq 'grade' || $target eq 'web') {
    my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval,'-2');
    if ( $style eq 'survey' ) {
      if ($target eq 'web') {
	$result=&displayallfoils();
      } elsif ( $target eq 'grade' ) {
	$result=&storesurvey();
      }
    } else {
      my $name;
      my ($truecnt,$falsecnt,$max) = &getfoilcounts($parstack,$safeeval);
      my $count=0;
      # we will add in 1 of the true statements
      if (($falsecnt+1)>$max) { $count=$max } else { $count=$falsecnt+1; }
      my $answer = int(rand ($count));
      &Apache::lonxml::debug("Answer is $answer, $count from $max, $falsecnt");
      if ($target eq 'web') {
	$result=&displayfoils($max,$answer);
      } elsif ( $target eq 'grade') {
	if ( defined $ENV{'form.submitted'}) {
	  my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
	  if ( $response =~ /[^\s]/) {
	    my $id = $Apache::inputtags::response['-1'];
	    $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
	    &Apache::lonxml::debug("submitted a $response<br />\n");
	    if ($response == $answer) {
	      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='EXACT_ANS';
	    } else {
	      $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}='INCORRECT';
	    }
	  }
	}
      }
    }
  }
  return $result;
}

sub getfoilcounts {
  my ($parstack,$safeeval)=@_;
  my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
  my @names = @{ $Apache::response::foilgroup{'names'} };
  my $truecnt=0;
  my $falsecnt=0;
  my $name;

  foreach $name (@names) {
    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
      $truecnt++;
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
      $falsecnt++;
    }
  }
  return ($truecnt,$falsecnt,$max);
}

sub displayallfoils {
  my $result;
  &Apache::lonxml::debug("survey style display");
  my @names = @{ $Apache::response::foilgroup{'names'} };
  my $temp=0;
  my $id=$Apache::inputtags::response['-1'];
  my $part=$Apache::inputtags::part;
  my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
  foreach my $name (@names) {
    if ($Apache::response::foilgroup{$name.'.value'} ne 'unused') {
      $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
      if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
      $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
      $temp++;
    }
  }
  return $result;
}

sub displayfoils {
  my ($max,$answer)=@_;
  my @names = @{ $Apache::response::foilgroup{'names'} };
  my @truelist;
  my @falselist;
  my $result;
  my $name;

  foreach $name (@names) {
    #result.="<br /><b>$name</b> is <i> $Apache::response::foilgroup{$name.'.value'} </i>";
    if ($Apache::response::foilgroup{$name.'.value'} eq 'true') {
      push (@truelist,$name);
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'false') {
      push (@falselist,$name);
    } elsif ($Apache::response::foilgroup{$name.'.value'} eq 'unused') {
    } else {
      &Apache::lonxml::error("Unknown state $Apache::response::foilgroup{$name.'.value'} for $name in <foilgroup>");
    }
  }
  my $whichtrue = int(rand($#truelist+1));
  &Apache::lonxml::debug("Max is $max, From $#truelist elms, picking $whichtrue");
  my @whichfalse =();
  while ((($#whichfalse+1) < $max) && ($#falselist > -1)) {
    &Apache::lonxml::debug("Have $#whichfalse max is $max");
    my $afalse=int(rand($#falselist+1));
    &Apache::lonxml::debug("From $#falselist elms, picking $afalse");
    $afalse=splice(@falselist,$afalse,1);
    &Apache::lonxml::debug("Picked $afalse");
    push (@whichfalse,$afalse);
  }
  splice(@whichfalse,$answer,0,$truelist[$whichtrue]);
  &Apache::lonxml::debug("the true statement is $answer");
  if ($Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"} =~ /^correct/ ) {
    foreach $name (@whichfalse) {
      $result.="<br />";
      if ($Apache::response::foilgroup{$name.'.value'} eq 'true') { 
	$result.='Correct';
      } else {
	$result.='Incorrect';
      }
      $result.=":".$Apache::response::foilgroup{$name.'.text'}."</input>\n";
    }
  } else {
    my $temp=0;
    my $id=$Apache::inputtags::response['-1'];
    my $part=$Apache::inputtags::part;
    my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
    foreach $name (@whichfalse) {
       $result.="<br /><input type=\"radio\" name=\"HWVAL$Apache::inputtags::response['-1']\" value=\"$temp\" ";
      if ($lastresponse eq $temp) { $result .= 'checked="on"'; }
      $result .= '>'.$Apache::response::foilgroup{$name.'.text'}."</input>\n";
      $temp++;
    }
  }
  return $result."<br />";
}

sub start_conceptgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  $Apache::radiobuttonresponse::conceptgroup=1;
  %Apache::response::conceptgroup={};
  my $result;
  if ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
      "</td></tr><tr><td colspan=\"3\">\n";
  } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
						 $safeeval,'concept');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  }
  return $result;
}

sub end_conceptgroup {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  $Apache::radiobuttonresponse::conceptgroup=0;
  my $result;
  if ($target eq 'web' || $target eq 'grade') {
    if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
      my @names = @{ $Apache::response::conceptgroup{'names'} };
      my $pick=int rand $#names+1;
      my $name=$names[$pick];
      push @{ $Apache::response::foilgroup{'names'} }, $name;
      $Apache::response::foilgroup{"$name.text"} =  $Apache::response::conceptgroup{"$name.text"};
      $Apache::response::foilgroup{"$name.value"} = $Apache::response::conceptgroup{"$name.value"};
      my $concept = &Apache::lonxml::get_param('concept',$parstack,$safeeval);
      $Apache::response::foilgroup{"$name.concept"} = $concept;
      &Apache::lonxml::debug("Selecting $name in $concept");
    }
  } elsif ($target eq 'edit') {
    $result=&Apache::edit::end_table();
  }
  return $result;
}

sub insert_conceptgroup {
  my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
  return $result;
}

sub start_foil {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $result='';
  if ($target eq 'web') {
    &Apache::lonxml::startredirection;
  } elsif ($target eq 'edit') {
    $result=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Name:','name',$token);
    $result.=&Apache::edit::select_arg('Correct Option:','value',
				       ['true','false'],$token,'15');
  } elsif ($target eq 'modified') {
     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
						  'value','name');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
  }
  return $result;
}

sub end_foil {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my $text='';
  if ($target eq 'web') { $text=&Apache::lonxml::endredirection; }
  if ($target eq 'web' || $target eq 'grade') {
    my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
    if ($value ne 'unused') {
      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
      if (!$name) { $name=$Apache::lonxml::curdepth; }
      if ( $Apache::radiobuttonresponse::conceptgroup ) {
	push @{ $Apache::response::conceptgroup{'names'} }, $name;
	$Apache::response::conceptgroup{"$name.value"} = $value;
	$Apache::response::conceptgroup{"$name.text"} = $text;	
      } else {
	push @{ $Apache::response::foilgroup{'names'} }, $name;
	$Apache::response::foilgroup{"$name.value"} = $value;
	$Apache::response::foilgroup{"$name.text"} = $text;
      }
    }
  }
  return '';
}

sub insert_foil {
  return '
<foil name="" value="unused">
<startouttext />
<endouttext />
</foil>';
}
1;
__END__
 

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